Segment Information (Segment Sales By Market Type) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Apr. 02, 2022	Apr. 03, 2021
Segment Reporting Information
Net sales	$ 770,787	$ 736,402	$ 1,494,873	$ 1,420,356
Aircraft Controls
Segment Reporting Information
Net sales	311,268	304,361	614,585	591,135
Aircraft Controls | Military
Segment Reporting Information
Net sales	192,089	201,520	378,038	407,218
Aircraft Controls | Commercial
Segment Reporting Information
Net sales	119,179	102,841	236,547	183,917
Space And Defense Controls
Segment Reporting Information
Net sales	223,349	206,168	431,205	394,330
Space And Defense Controls | Space
Segment Reporting Information
Net sales	87,074	87,837	174,657	165,648
Space And Defense Controls | Defense
Segment Reporting Information
Net sales	136,275	118,331	256,548	228,682
Industrial Systems
Segment Reporting Information
Net sales	236,170	225,873	449,083	434,891
Industrial Systems | Energy
Segment Reporting Information
Net sales	32,316	28,247	63,782	56,891
Industrial Systems | Industrial Automation
Segment Reporting Information
Net sales	110,411	111,206	212,554	206,437
Industrial Systems | Simulation and Test
Segment Reporting Information
Net sales	29,625	19,774	51,800	39,900
Industrial Systems | Medical
Segment Reporting Information
Net sales	$ 63,818	$ 66,646	$ 120,947	$ 131,663